Terminologies of Normal Graphics
Before heading into the article we need to look at some terminologies used in this article:
- Polygons: In computer graphics, 3D objects are made of 2D shapes such as triangles or rectangles. These 2D shapes are called polygons. The more polygons a model has the more detailed it will look and the more computation it requires to render.
- Normal Maps: Normal maps are 2D colorful images that show information about the normal vectors of 3D objects. A pixel in a normal map has three channels R, G, and B whose values represent the X, Y, and Z values of the normal vector of that point. For example, if a pixel is completely red meaning that its RGB value is (1,0,0), then the normal of the vector would point in the X direction.
Normal Mapping in Computer Graphics
Computer Graphics has improved a lot in recent years. Nowadays it is much more realistic whether it is animated 3D videos or games. However, rendering such graphics with great detail can be quite hardware-intensive. That’s where normal mapping comes into the picture. It is a technique in computer graphics that uses mathematical computations to create detailed and realistic graphics without using extra polygons. It is a popular method for optimizing the rendering of computer graphics and adding details to it simultaneously. This technique uses something called normal maps which is a 2D image that contains information about the normals of the 3D object. In this article, we will look at what exactly is normal mapping.
Contact Us